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1、1.7 x 5 =8 x 8 =3 x 4 =35 ÷ 7 =2.6 x 9 =72 ÷ 8 =56 ÷ 7 =12 ÷ 2 =3.6 x 8 =40 ÷ 8 =4 x 9 =4 x 8 =4.16 ÷ 4 =7 x 9 =72 ÷ 8 =40 ÷ 5 =5.7 x 9 =56 ÷ 7 =21 ÷ 3 =5 x 4 =6.54 ÷ 6 =35 ÷ 7 =5 x 8 =3 x 2 =7.10 ÷ 2 =8 ÷ 4 =3 x 3 =3 x 7 =8.5 x 7

2、 =24 ÷ 3 =24 ÷ 6 =48 ÷ 8 =9.2 x 4 =8 x 3 =4 x 8 =63 ÷ 9 =10.10 ÷ 2 =12 ÷ 4 =6 x 4 =7 x 7 =11.63 ÷ 9 =9 x 4 =2 x 3 =36 ÷ 4 =12.12 ÷ 3 =8 ÷ 2 =14 ÷ 2 =7 x 8 =13.9 x 3 =8 x 6 =40 ÷ 5 =14 ÷ 7 =14.35 ÷ 5 =14 ÷ 7 =9 x 6 =10 ÷

3、5 =15.5 x 9 =18 ÷ 9 =6 x 2 =2 x 6 =16.9 x 8 =16 ÷ 8 =5 x 2 =2 x 2 =17.3 x 6 =7 x 3 =21 ÷ 7 =7 x 8 =18.20 ÷ 4 =2 x 7 =56 ÷ 7 =28 ÷ 4 =19.8 x 4 =9 x 7 =54 ÷ 6 =28 ÷ 7 =20.35 ÷ 7 =3 x 6 =15 ÷ 3 =6 x 3 =21.16 ÷ 2 =16 ÷ 8 =4 x 3 =4 x 4 =22.9 x 3

4、 =6 x 6 =24 ÷ 3 =9 x 4 =23.2 x 6 =7 x 3 =16 ÷ 4 =4 x 8 =24.3 x 9 =7 x 4 =3 x 5 =6 x 8 =25.10 ÷ 2 =9 x 3 =56 ÷ 7 =8 x 5 =1.49 ÷ 7 =36 ÷ 6 =7 x 4 =6 ÷ 2 =2.7 x 4 =4 x 3 =3 x 5 =9 x 6 =3.3 x 6 =16 ÷ 2 =27 ÷ 9 =8 x 2 =4.24 ÷ 4 =5 x 5 =18 ÷ 6 =6 x 3

5、=5.3 x 9 =18 ÷ 2 =24 ÷ 3 =6 x 4 =6.48 ÷ 6 =5 x 6 =54 ÷ 9 =8 x 4 =7.4 ÷ 2 =5 x 2 =8 x 7 =72 ÷ 8 =8.35 ÷ 7 =48 ÷ 8 =81 ÷ 9 =6 x 3 =9.56 ÷ 8 =8 x 7 =48 ÷ 8 =12 ÷ 6 =10.4 x 3 =8 x 3 =9 x 6 =24 ÷ 4 =11.28 ÷ 7 =7 x 8 =5 x 9 =6 x 8 =12.3

6、 x 8 =27 ÷ 9 =2 x 7 =10 ÷ 2 =13.14 ÷ 7 =4 ÷ 2 =36 ÷ 6 =3 x 7 =14.6 x 4 =2 x 7 =18 ÷ 9 =4 x 4 =15.20 ÷ 4 =56 ÷ 7 =2 x 7 =8 x 3 =16.64 ÷ 8 =54 ÷ 9 =48 ÷ 8 =9 x 3 =17.3 x 8 =16 ÷ 2 =56 ÷ 8 =49 ÷ 7 =18.7 x 9 =3 x 9 =4 x 2 =4 ÷ 2

7、=19.8 ÷ 4 =56 ÷ 8 =6 ÷ 2 =24 ÷ 8 =20.2 x 2 =24 ÷ 6 =36 ÷ 6 =9 x 8 =21.5 x 4 =9 x 7 =4 x 5 =8 ÷ 4 =22.64 ÷ 8 =24 ÷ 6 =18 ÷ 3 =2 x 8 =23.36 ÷ 9 =2 x 5 =9 x 6 =24 ÷ 8 =24.48 ÷ 6 =14 ÷ 2 =4 x 5 =30 ÷ 6 =25.54 ÷ 9 =35 ÷

8、7 =8 x 2 =8 ÷ 2 =1.6 x 8 =7 x 4 =7 x 7 =8 x 5 =2.32 ÷ 4 =18 ÷ 6 =28 ÷ 4 =8 x 9 =3.8 x 8 =18 ÷ 3 =9 x 5 =3 x 4 =4.63 ÷ 7 =45 ÷ 9 =5 x 7 =9 x 2 =5.54 ÷ 6 =42 ÷ 7 =4 x 4 =7 x 2 =6.9 x 6 =35 ÷ 7 =9 x 2 =2 x 7 =7.3 x 7 =3 x 9 =9 x 3 =6 x 3 =8.64 ÷ 8

9、=35 ÷ 7 =6 x 6 =12 ÷ 2 =9.8 x 7 =36 ÷ 9 =8 x 8 =42 ÷ 6 =10.24 ÷ 6 =30 ÷ 6 =7 x 6 =12 ÷ 6 =11.3 x 6 =4 x 4 =16 ÷ 2 =6 x 6 =12.35 ÷ 5 =8 x 8 =24 ÷ 8 =4 x 7 =13.9 x 2 =56 ÷ 8 =20 ÷ 5 =5 x 7 =14.9 x 3 =2 x 3 =2 x 2 =30 ÷ 6 =15.4 x 3 =3 x 8

10、 =4 x 2 =45 ÷ 9 =16.3 x 2 =3 x 7 =16 ÷ 4 =40 ÷ 8 =17.5 x 5 =6 x 7 =54 ÷ 6 =21 ÷ 7 =18.6 x 9 =18 ÷ 9 =14 ÷ 2 =8 x 9 =19.8 x 7 =21 ÷ 7 =35 ÷ 7 =7 x 5 =20.9 ÷ 3 =32 ÷ 8 =45 ÷ 9 =24 ÷ 4 =21.16 ÷ 8 =54 ÷ 6 =9 x 3 =30 ÷ 6 =22.

11、6 x 7 =7 x 9 =9 x 6 =54 ÷ 6 =23.72 ÷ 9 =12 ÷ 2 =16 ÷ 2 =28 ÷ 7 =24.40 ÷ 5 =27 ÷ 3 =12 ÷ 3 =9 x 3 =25.5 x 4 =20 ÷ 5 =16 ÷ 4 =21 ÷ 3 =1.21 ÷ 7 =4 x 4 =6 x 5 =16 ÷ 4 =2.8 x 7 =6 x 2 =2 x 4 =56 ÷ 7 =3.9 ÷ 3 =3 x 9 =2 x 6 =36 

12、7; 9 =4.48 ÷ 8 =42 ÷ 7 =21 ÷ 3 =9 x 3 =5.36 ÷ 4 =6 x 7 =2 x 8 =56 ÷ 7 =6.49 ÷ 7 =9 x 2 =4 x 4 =21 ÷ 7 =7.18 ÷ 6 =3 x 3 =6 x 5 =4 ÷ 2 =8.30 ÷ 5 =18 ÷ 3 =6 x 7 =20 ÷ 5 =9.6 ÷ 2 =6 x 3 =6 x 9 =40 ÷ 8 =10.8 x 7 =4 ÷ 2 =3 x 8 =8 x

13、 2 =11.12 ÷ 6 =8 x 5 =4 x 9 =2 x 6 =12.7 x 8 =54 ÷ 6 =4 x 8 =6 x 5 =13.6 x 4 =64 ÷ 8 =2 x 6 =4 x 7 =14.3 x 7 =56 ÷ 8 =8 x 9 =8 x 5 =15.5 x 9 =9 x 3 =42 ÷ 7 =5 x 7 =16.4 x 9 =10 ÷ 5 =8 x 5 =12 ÷ 4 =17.3 x 4 =36 ÷ 6 =35 ÷ 7 =5 x 3 =18.40 ÷ 8 =2 x 8 =45

14、 ÷ 9 =20 ÷ 4 =19.9 x 4 =56 ÷ 8 =4 x 4 =18 ÷ 2 =20.14 ÷ 2 =8 x 2 =16 ÷ 2 =54 ÷ 9 =21.36 ÷ 9 =3 x 2 =16 ÷ 4 =7 x 5 =22.12 ÷ 3 =6 x 8 =7 x 8 =9 x 7 =23.9 x 9 =3 x 2 =16 ÷ 2 =2 x 9 =24.6 x 6 =72 ÷ 8 =36 ÷ 4 =35 ÷ 7 =25.8 x 3 =6 x 4 =1

15、2 ÷ 4 =72 ÷ 9 =1.5 x 8 =3 x 4 =9 x 8 =5 x 7 =2.45 ÷ 5 =18 ÷ 6 =7 x 8 =35 ÷ 7 =3.12 ÷ 2 =9 x 2 =12 ÷ 6 =6 x 9 =4.48 ÷ 6 =3 x 8 =36 ÷ 9 =3 x 4 =5.5 x 5 =9 x 4 =36 ÷ 4 =6 x 5 =6.10 ÷ 2 =16 ÷ 4 =12 ÷ 4 =16 ÷ 2 =7.5 x 5 =9 x 3 =9 x 5 =

16、6 x 4 =8.8 x 7 =9 x 4 =8 x 9 =8 x 6 =9.16 ÷ 4 =56 ÷ 8 =63 ÷ 7 =4 ÷ 2 =10.3 x 8 =32 ÷ 8 =10 ÷ 2 =5 x 5 =11.2 x 2 =5 x 2 =5 x 8 =5 x 6 =12.24 ÷ 4 =3 x 6 =3 x 4 =4 ÷ 2 =13.63 ÷ 9 =6 ÷ 3 =36 ÷ 4 =5 x 3 =14.2 x 6 =27 ÷ 3 =5 x 6 =7 x 8 =15.2 x 2

17、=3 x 2 =14 ÷ 7 =8 ÷ 2 =16.7 x 7 =48 ÷ 8 =7 x 4 =9 x 9 =17.36 ÷ 9 =6 ÷ 2 =36 ÷ 4 =3 x 2 =18.6 x 9 =5 x 5 =8 x 2 =16 ÷ 4 =19.6 x 4 =8 x 5 =4 x 6 =6 x 3 =20.9 x 7 =40 ÷ 5 =56 ÷ 7 =8 x 7 =21.18 ÷ 2 =9 x 3 =8 x 5 =42 ÷ 6 =22.4 x 8 =5 x 6 =2 x 6 =40 &

18、#247; 5 =23.21 ÷ 7 =36 ÷ 4 =3 x 4 =5 x 7 =24.14 ÷ 7 =56 ÷ 7 =2 x 2 =7 x 3 =25.42 ÷ 7 =45 ÷ 5 =81 ÷ 9 =2 x 9 =1.56 ÷ 7 =48 ÷ 8 =2 x 9 =32 ÷ 8 =2.4 x 2 =6 x 3 =14 ÷ 2 =15 ÷ 5 =3.7 x 6 =8 x 6 =8 ÷ 4 =4 x 9 =4.9 x 4 =6 x 3 =2 x 5 =2 x 7 =5

19、.5 x 4 =3 x 6 =72 ÷ 8 =9 x 6 =6.6 x 5 =6 x 6 =2 x 2 =2 x 9 =7.24 ÷ 6 =8 x 7 =3 x 9 =49 ÷ 7 =8.4 x 6 =5 x 7 =5 x 9 =30 ÷ 5 =9.2 x 5 =8 x 6 =5 x 7 =2 x 7 =10.28 ÷ 4 =8 x 9 =3 x 5 =7 x 5 =11.49 ÷ 7 =7 x 6 =9 x 6 =2 x 5 =12.54 ÷ 6 =8 ÷ 2 =32 ÷ 4 =5 x 7 =13.49

20、 ÷ 7 =5 x 3 =42 ÷ 6 =2 x 6 =14.4 x 8 =6 x 7 =7 x 8 =16 ÷ 4 =15.12 ÷ 3 =2 x 5 =4 x 4 =54 ÷ 6 =16.30 ÷ 6 =3 x 6 =5 x 8 =24 ÷ 4 =17.5 x 5 =6 x 2 =7 x 9 =7 x 3 =18.15 ÷ 5 =42 ÷ 7 =16 ÷ 2 =49 ÷ 7 =19.8 x 3 =7 x 5 =45 ÷ 9 =36 ÷ 9 =20.20 

21、7; 4 =10 ÷ 5 =4 x 7 =18 ÷ 6 =21.21 ÷ 7 =18 ÷ 2 =2 x 6 =28 ÷ 7 =22.8 x 5 =9 x 8 =12 ÷ 6 =6 ÷ 3 =23.18 ÷ 3 =8 x 6 =6 x 7 =3 x 4 =24.2 x 4 =6 x 8 =72 ÷ 9 =72 ÷ 8 =25.9 x 5 =48 ÷ 8 =2 x 8 =5 x 5 =1.24 ÷ 3 =4 x 7 =72 ÷ 8 =9 x 4 =2.32 ÷

22、 4 =2 x 3 =40 ÷ 5 =7 x 2 =3.42 ÷ 7 =5 x 9 =81 ÷ 9 =16 ÷ 4 =4.14 ÷ 2 =24 ÷ 4 =8 x 9 =2 x 2 =5.16 ÷ 4 =24 ÷ 3 =54 ÷ 9 =4 x 7 =6.36 ÷ 4 =28 ÷ 4 =5 x 2 =15 ÷ 5 =7.5 x 2 =56 ÷ 8 =18 ÷ 3 =42 ÷ 7 =8.42 ÷ 6 =32 ÷ 4 =7 x 7 =

23、3 x 9 =9.7 x 7 =36 ÷ 6 =36 ÷ 9 =14 ÷ 2 =10.8 x 9 =27 ÷ 9 =9 x 5 =8 x 2 =11.30 ÷ 5 =72 ÷ 9 =5 x 9 =4 x 4 =12.6 x 2 =81 ÷ 9 =42 ÷ 6 =8 x 5 =13.7 x 5 =4 x 3 =27 ÷ 9 =8 ÷ 2 =14.2 x 5 =10 ÷ 2 =4 x 2 =40 ÷ 5 =15.42 ÷ 6 =5 x 2 =35 ÷ 7 =4

24、8 ÷ 8 =16.21 ÷ 3 =27 ÷ 3 =28 ÷ 4 =24 ÷ 4 =17.9 ÷ 3 =32 ÷ 8 =7 x 2 =5 x 6 =18.9 x 3 =9 ÷ 3 =81 ÷ 9 =21 ÷ 7 =19.9 x 4 =36 ÷ 9 =7 x 2 =9 x 7 =20.42 ÷ 6 =8 x 5 =42 ÷ 7 =54 ÷ 6 =21.6 x 9 =5 x 6 =4 x 8 =15 ÷ 3 =22.2 x 3 =6 x 7 =2 x

25、 8 =21 ÷ 3 =23.7 x 4 =3 x 5 =63 ÷ 9 =2 x 8 =24.8 x 8 =5 x 4 =15 ÷ 5 =35 ÷ 5 =25.30 ÷ 6 =2 x 5 =7 x 5 =4 x 8 =1.4 x 4 =3 x 3 =56 ÷ 8 =27 ÷ 3 =2.10 ÷ 5 =20 ÷ 5 =9 x 5 =14 ÷ 7 =3.54 ÷ 9 =9 x 6 =18 ÷ 9 =24 ÷ 3 =4.9 x 9 =8 x 6 =5 x 9 =27 &#

26、247; 3 =5.27 ÷ 3 =7 x 7 =3 x 9 =25 ÷ 5 =6.21 ÷ 3 =49 ÷ 7 =5 x 9 =45 ÷ 9 =7.36 ÷ 9 =14 ÷ 2 =3 x 7 =5 x 4 =8.7 x 4 =35 ÷ 5 =16 ÷ 4 =35 ÷ 7 =9.2 x 7 =42 ÷ 7 =12 ÷ 2 =24 ÷ 6 =10.8 x 5 =9 x 8 =3 x 7 =9 x 3 =11.9 x 8 =8 x 4 =7 x 6 =5 x 7 =12

27、.8 ÷ 2 =2 x 7 =12 ÷ 6 =56 ÷ 7 =13.54 ÷ 9 =12 ÷ 3 =12 ÷ 4 =5 x 6 =14.32 ÷ 4 =14 ÷ 2 =4 ÷ 2 =36 ÷ 4 =15.81 ÷ 9 =20 ÷ 5 =64 ÷ 8 =48 ÷ 8 =16.16 ÷ 8 =49 ÷ 7 =20 ÷ 5 =45 ÷ 9 =17.40 ÷ 8 =6 x 8 =15 ÷ 5 =3 x 5

28、 =18.18 ÷ 6 =8 x 5 =2 x 9 =4 ÷ 2 =19.6 x 3 =2 x 7 =36 ÷ 4 =8 x 5 =20.6 x 6 =7 x 2 =27 ÷ 9 =4 x 9 =21.8 x 8 =63 ÷ 7 =12 ÷ 6 =2 x 3 =22.8 x 9 =5 x 7 =81 ÷ 9 =6 x 4 =23.6 x 7 =5 x 5 =9 x 7 =3 x 6 =24.7 x 3 =45 ÷ 5 =18 ÷ 3 =8 x 7 =25.42 ÷ 7 =36 ÷ 4

29、=6 ÷ 2 =8 ÷ 4 =1.24 ÷ 4 =7 x 7 =9 x 8 =15 ÷ 5 =2.35 ÷ 5 =42 ÷ 7 =2 x 9 =25 ÷ 5 =3.2 x 6 =7 x 6 =3 x 6 =7 x 8 =4.6 x 2 =56 ÷ 7 =3 x 2 =24 ÷ 3 =5.21 ÷ 7 =14 ÷ 2 =56 ÷ 8 =2 x 9 =6.25 ÷ 5 =12 ÷ 4 =3 x 5 =15 ÷ 3 =7.6 x 8 =9 x 8 =8

30、1 ÷ 9 =42 ÷ 6 =8.9 x 9 =4 x 8 =12 ÷ 3 =35 ÷ 5 =9.2 x 8 =25 ÷ 5 =6 x 4 =9 x 2 =10.56 ÷ 7 =6 ÷ 3 =4 x 5 =25 ÷ 5 =11.48 ÷ 6 =5 x 6 =14 ÷ 7 =4 x 7 =12.2 x 9 =8 x 8 =49 ÷ 7 =7 x 5 =13.35 ÷ 5 =72 ÷ 8 =27 ÷ 9 =9 x 6 =14.81 ÷ 9 =12 &

31、#247; 6 =8 x 3 =8 x 7 =15.3 x 5 =18 ÷ 6 =6 x 2 =16 ÷ 4 =16.14 ÷ 7 =16 ÷ 8 =45 ÷ 9 =18 ÷ 6 =17.3 x 6 =40 ÷ 5 =3 x 3 =10 ÷ 2 =18.56 ÷ 7 =24 ÷ 4 =3 x 6 =9 x 4 =19.3 x 4 =7 x 7 =18 ÷ 3 =7 x 9 =20.18 ÷ 2 =6 ÷ 2 =6 x 8 =28 ÷ 7 =21.18 &#

32、247; 9 =9 x 2 =6 ÷ 3 =36 ÷ 9 =22.9 x 2 =9 x 6 =18 ÷ 9 =32 ÷ 8 =23.3 x 7 =35 ÷ 5 =20 ÷ 4 =3 x 6 =24.7 x 2 =18 ÷ 9 =3 x 8 =4 x 2 =25.8 x 3 =2 x 8 =2 x 3 =9 x 8 =1.54 ÷ 9 =5 x 6 =54 ÷ 6 =2 x 2 =2.8 x 8 =15 ÷ 3 =49 ÷ 7 =16 ÷ 4 =3.56 ÷ 7 =3

33、5 ÷ 7 =4 x 5 =3 x 5 =4.40 ÷ 8 =14 ÷ 2 =2 x 2 =8 x 7 =5.2 x 3 =2 x 6 =6 x 6 =5 x 2 =6.9 ÷ 3 =32 ÷ 4 =12 ÷ 4 =32 ÷ 8 =7.5 x 3 =42 ÷ 7 =10 ÷ 5 =54 ÷ 6 =8.16 ÷ 2 =12 ÷ 6 =56 ÷ 7 =18 ÷ 3 =9.14 ÷ 2 =5 x 2 =35 ÷ 5 =6 x 6 =10.6

34、x 4 =5 x 7 =49 ÷ 7 =6 x 7 =11.8 x 3 =9 x 3 =18 ÷ 2 =56 ÷ 7 =12.18 ÷ 9 =6 ÷ 2 =56 ÷ 7 =8 x 9 =13.72 ÷ 8 =5 x 2 =63 ÷ 9 =36 ÷ 9 =14.56 ÷ 8 =8 x 3 =27 ÷ 9 =20 ÷ 5 =15.7 x 4 =2 x 4 =36 ÷ 9 =81 ÷ 9 =16.25 ÷ 5 =16 ÷ 4 =35 

35、7; 7 =12 ÷ 6 =17.16 ÷ 8 =24 ÷ 3 =3 x 6 =2 x 8 =18.12 ÷ 2 =6 ÷ 2 =28 ÷ 4 =36 ÷ 4 =19.28 ÷ 7 =9 x 9 =5 x 2 =24 ÷ 4 =20.12 ÷ 2 =5 x 9 =3 x 9 =54 ÷ 9 =21.7 x 4 =54 ÷ 9 =4 x 3 =7 x 2 =22.5 x 9 =42 ÷ 6 =6 x 3 =7 x 7 =23.7 x 2 =5 x 3 =45 

36、7; 9 =2 x 4 =24.9 x 4 =5 x 2 =6 x 4 =8 x 3 =25.9 x 5 =45 ÷ 9 =5 x 8 =6 x 4 =1.24 ÷ 4 =18 ÷ 9 =54 ÷ 6 =12 ÷ 2 =2.35 ÷ 7 =3 x 6 =18 ÷ 6 =5 x 6 =3.4 x 9 =45 ÷ 9 =12 ÷ 6 =10 ÷ 5 =4.9 x 6 =9 x 4 =9 x 3 =5 x 6 =5.15 ÷ 5 =48 ÷ 8 =2 x 9 =14 ÷

37、7 =6.9 x 6 =32 ÷ 4 =48 ÷ 8 =6 x 8 =7.4 ÷ 2 =32 ÷ 8 =4 x 7 =7 x 8 =8.14 ÷ 2 =2 x 9 =8 x 2 =5 x 8 =9.2 x 8 =30 ÷ 6 =24 ÷ 4 =20 ÷ 4 =10.4 x 9 =12 ÷ 6 =28 ÷ 7 =15 ÷ 5 =11.42 ÷ 6 =4 x 5 =5 x 9 =63 ÷ 9 =12.2 x 8 =54 ÷ 6 =3 x 6 =45 ÷

38、; 9 =13.42 ÷ 7 =4 x 8 =6 x 6 =8 x 7 =14.5 x 4 =32 ÷ 8 =28 ÷ 4 =9 ÷ 3 =15.64 ÷ 8 =8 x 7 =4 x 4 =5 x 4 =16.9 x 6 =6 x 6 =72 ÷ 9 =9 x 5 =17.5 x 6 =8 x 7 =48 ÷ 8 =2 x 2 =18.8 x 4 =27 ÷ 9 =4 x 3 =15 ÷ 3 =19.20 ÷ 5 =16 ÷ 8 =63 ÷ 7 =9 x 4 =20.16 &

39、#247; 2 =9 x 4 =56 ÷ 7 =45 ÷ 5 =21.27 ÷ 3 =18 ÷ 3 =36 ÷ 4 =32 ÷ 8 =22.7 x 6 =14 ÷ 2 =5 x 3 =8 ÷ 2 =23.81 ÷ 9 =5 x 4 =6 x 3 =5 x 7 =24.8 x 2 =6 ÷ 2 =16 ÷ 4 =7 x 4 =25.8 x 7 =32 ÷ 4 =16 ÷ 2 =12 ÷ 2 =1.12 ÷ 3 =7 x 9 =12 ÷ 6

40、 =36 ÷ 6 =2.56 ÷ 7 =9 x 6 =6 x 9 =5 x 5 =3.12 ÷ 4 =3 x 9 =2 x 7 =3 x 2 =4.16 ÷ 8 =8 x 9 =6 x 2 =7 x 2 =5.81 ÷ 9 =9 x 9 =8 x 5 =5 x 6 =6.6 x 7 =18 ÷ 3 =7 x 2 =3 x 3 =7.40 ÷ 5 =3 x 2 =3 x 5 =6 x 8 =8.9 x 8 =9 x 4 =4 x 4 =24 ÷ 3 =9.56 ÷ 7 =8 x 7 =12 ÷ 3

41、 =30 ÷ 6 =10.21 ÷ 3 =7 x 2 =14 ÷ 7 =27 ÷ 3 =11.7 x 2 =5 x 4 =21 ÷ 7 =5 x 6 =12.72 ÷ 8 =6 ÷ 3 =5 x 2 =8 x 6 =13.8 x 6 =10 ÷ 5 =6 x 3 =6 ÷ 3 =14.8 x 7 =5 x 2 =8 ÷ 4 =6 x 7 =15.54 ÷ 9 =8 x 9 =45 ÷ 9 =10 ÷ 2 =16.12 ÷ 6 =4 x 2 =8 x 3 =

42、72 ÷ 9 =17.12 ÷ 4 =30 ÷ 5 =2 x 2 =9 x 8 =18.40 ÷ 5 =8 x 7 =8 x 2 =8 ÷ 2 =19.9 ÷ 3 =9 x 7 =56 ÷ 7 =16 ÷ 8 =20.5 x 7 =6 x 7 =3 x 2 =6 x 9 =21.20 ÷ 5 =6 ÷ 2 =6 x 3 =45 ÷ 5 =22.10 ÷ 5 =16 ÷ 2 =16 ÷ 4 =7 x 8 =23.7 x 8 =5 x 4 =5 x 3 =3

43、x 2 =24.35 ÷ 5 =36 ÷ 6 =15 ÷ 3 =8 x 4 =25.2 x 5 =30 ÷ 6 =81 ÷ 9 =15 ÷ 3 =1.6 x 4 =8 ÷ 4 =27 ÷ 3 =3 x 3 =2.15 ÷ 3 =6 x 6 =14 ÷ 7 =72 ÷ 8 =3.36 ÷ 4 =3 x 2 =8 x 9 =14 ÷ 2 =4.14 ÷ 2 =15 ÷ 5 =9 x 9 =2 x 9 =5.21 ÷ 7 =5 x 5 =10

44、 ÷ 5 =54 ÷ 6 =6.27 ÷ 3 =7 x 8 =21 ÷ 7 =8 ÷ 4 =7.72 ÷ 8 =9 x 2 =4 x 7 =28 ÷ 4 =8.9 x 6 =12 ÷ 2 =5 x 7 =24 ÷ 8 =9.15 ÷ 5 =4 x 7 =20 ÷ 4 =64 ÷ 8 =10.30 ÷ 6 =6 x 3 =6 x 7 =2 x 8 =11.9 x 4 =63 ÷ 9 =12 ÷ 3 =40 ÷ 5 =12.3 x 4 =2

45、7 ÷ 3 =8 x 6 =45 ÷ 9 =13.21 ÷ 3 =9 x 5 =18 ÷ 6 =35 ÷ 7 =14.4 x 7 =6 x 3 =25 ÷ 5 =20 ÷ 5 =15.28 ÷ 7 =32 ÷ 8 =42 ÷ 7 =18 ÷ 9 =16.49 ÷ 7 =4 x 4 =12 ÷ 4 =72 ÷ 9 =17.9 x 9 =40 ÷ 8 =18 ÷ 6 =32 ÷ 4 =18.8 x 4 =54 ÷ 6 =

46、45 ÷ 9 =4 x 2 =19.4 x 4 =5 x 7 =30 ÷ 5 =24 ÷ 4 =20.9 x 9 =9 x 5 =32 ÷ 8 =4 ÷ 2 =21.10 ÷ 2 =2 x 6 =10 ÷ 5 =5 x 4 =22.18 ÷ 2 =12 ÷ 4 =8 x 6 =32 ÷ 8 =23.15 ÷ 5 =24 ÷ 8 =42 ÷ 6 =54 ÷ 9 =24.10 ÷ 2 =3 x 9 =49 ÷ 7 =63 ÷ 9

47、=25.3 x 7 =81 ÷ 9 =72 ÷ 8 =27 ÷ 3 =1.24 ÷ 4 =12 ÷ 4 =8 ÷ 4 =2 x 8 =2.3 x 4 =15 ÷ 3 =45 ÷ 5 =3 x 7 =3.6 ÷ 2 =25 ÷ 5 =8 ÷ 2 =40 ÷ 8 =4.2 x 6 =48 ÷ 6 =9 x 7 =24 ÷ 4 =5.72 ÷ 8 =2 x 6 =32 ÷ 4 =48 ÷ 6 =6.7 x 3 =54 ÷

48、6 =4 ÷ 2 =64 ÷ 8 =7.4 x 4 =6 ÷ 3 =6 x 3 =40 ÷ 8 =8.20 ÷ 4 =24 ÷ 8 =81 ÷ 9 =35 ÷ 7 =9.4 x 2 =9 ÷ 3 =21 ÷ 3 =18 ÷ 9 =10.8 x 6 =16 ÷ 4 =49 ÷ 7 =6 x 2 =11.63 ÷ 9 =8 x 7 =3 x 5 =36 ÷ 4 =12.28 ÷ 4 =4 ÷ 2 =5 x 2 =5 x 7 =13

49、.20 ÷ 5 =48 ÷ 8 =6 x 5 =18 ÷ 3 =14.28 ÷ 7 =5 x 9 =7 x 4 =3 x 2 =15.12 ÷ 3 =18 ÷ 2 =6 x 4 =56 ÷ 7 =16.3 x 4 =30 ÷ 6 =4 x 4 =24 ÷ 3 =17.35 ÷ 5 =6 ÷ 3 =9 x 8 =25 ÷ 5 =18.9 x 7 =40 ÷ 5 =9 x 9 =6 x 7 =19.3 x 2 =7 x 2 =4 x 3 =40 ÷ 8 =20

50、.9 ÷ 3 =4 x 7 =12 ÷ 2 =2 x 8 =21.3 x 3 =18 ÷ 9 =9 x 2 =5 x 6 =22.3 x 4 =9 x 7 =6 ÷ 2 =30 ÷ 6 =23.30 ÷ 6 =28 ÷ 4 =6 x 4 =3 x 4 =24.6 x 7 =24 ÷ 4 =4 x 8 =4 x 4 =25.35 ÷ 5 =16 ÷ 2 =7 x 3 =2 x 2 =1.8 x 9 =14 ÷ 7 =9 ÷ 3 =4 x 8 =2.5 x 9 =14 ÷

51、; 2 =5 x 4 =28 ÷ 7 =3.24 ÷ 3 =7 x 6 =18 ÷ 6 =4 x 9 =4.4 ÷ 2 =7 x 9 =15 ÷ 3 =10 ÷ 5 =5.35 ÷ 7 =2 x 4 =2 x 3 =9 x 2 =6.24 ÷ 6 =10 ÷ 2 =8 x 3 =27 ÷ 3 =7.6 x 6 =18 ÷ 6 =7 x 6 =6 x 3 =8.6 x 9 =8 x 6 =8 x 4 =56 ÷ 7 =9.3 x 4 =8 x 3 =7 x 3 =9 x 8 =

52、10.21 ÷ 3 =2 x 2 =4 x 4 =9 x 5 =11.20 ÷ 4 =6 x 6 =2 x 2 =16 ÷ 4 =12.30 ÷ 6 =6 x 4 =54 ÷ 6 =56 ÷ 7 =13.3 x 5 =30 ÷ 6 =56 ÷ 7 =54 ÷ 6 =14.35 ÷ 7 =2 x 3 =32 ÷ 8 =7 x 4 =15.18 ÷ 3 =6 x 3 =48 ÷ 8 =56 ÷ 8 =16.21 ÷ 3 =3 x 3 =20 

53、7; 5 =72 ÷ 9 =17.12 ÷ 3 =9 x 5 =3 x 3 =42 ÷ 7 =18.3 x 9 =10 ÷ 5 =14 ÷ 7 =9 x 9 =19.36 ÷ 6 =9 x 9 =18 ÷ 6 =2 x 2 =20.4 x 4 =6 ÷ 3 =21 ÷ 3 =9 x 8 =21.2 x 7 =32 ÷ 8 =6 x 6 =2 x 5 =22.3 x 2 =7 x 6 =2 x 6 =5 x 6 =23.28 ÷ 7 =9 x 8 =14 ÷ 7 =3 x 7

54、=24.3 x 8 =4 x 3 =24 ÷ 8 =2 x 6 =25.7 x 7 =64 ÷ 8 =40 ÷ 8 =14 ÷ 2 =1.9 x 2 =8 x 4 =6 x 4 =24 ÷ 4 =2.45 ÷ 5 =18 ÷ 6 =20 ÷ 5 =24 ÷ 3 =3.4 x 6 =28 ÷ 4 =30 ÷ 6 =16 ÷ 2 =4.16 ÷ 8 =5 x 8 =3 x 4 =8 x 7 =5.6 ÷ 3 =49 ÷ 7 =8 ÷ 2 =

55、4 x 7 =6.5 x 5 =8 x 8 =2 x 3 =4 x 4 =7.5 x 9 =5 x 5 =6 ÷ 2 =63 ÷ 7 =8.9 x 9 =18 ÷ 6 =2 x 4 =14 ÷ 2 =9.8 x 2 =30 ÷ 6 =8 x 7 =12 ÷ 6 =10.24 ÷ 3 =4 x 2 =14 ÷ 2 =42 ÷ 7 =11.2 x 8 =18 ÷ 2 =6 x 2 =9 x 9 =12.2 x 7 =8 x 5 =5 x 8 =14 ÷ 7 =13.8 x 3 =5 x 9

56、 =9 x 6 =8 x 2 =14.4 x 2 =45 ÷ 9 =14 ÷ 2 =6 x 5 =15.9 x 4 =40 ÷ 5 =27 ÷ 3 =72 ÷ 9 =16.4 x 4 =2 x 3 =3 x 8 =48 ÷ 6 =17.36 ÷ 4 =3 x 7 =6 x 4 =8 ÷ 4 =18.9 x 9 =3 x 9 =2 x 4 =18 ÷ 2 =19.3 x 9 =25 ÷ 5 =16 ÷ 4 =56 ÷ 8 =20.40 ÷ 8 =42 ÷ 7

57、 =18 ÷ 6 =32 ÷ 8 =21.63 ÷ 7 =48 ÷ 8 =8 x 7 =18 ÷ 2 =22.7 x 4 =2 x 6 =8 x 2 =9 x 4 =23.4 x 2 =14 ÷ 7 =40 ÷ 5 =7 x 7 =24.4 x 5 =6 x 7 =9 x 2 =45 ÷ 5 =25.56 ÷ 8 =30 ÷ 5 =6 ÷ 2 =14 ÷ 7 =1.64 ÷ 8 =36 ÷ 4 =40 ÷ 8 =32 ÷ 4 =2.9

58、x 4 =9 x 7 =8 ÷ 2 =9 x 2 =3.8 ÷ 4 =6 x 4 =4 x 8 =3 x 5 =4.72 ÷ 9 =14 ÷ 2 =5 x 2 =8 x 5 =5.6 x 3 =18 ÷ 6 =8 x 2 =49 ÷ 7 =6.5 x 7 =2 x 7 =72 ÷ 8 =28 ÷ 4 =7.5 x 5 =7 x 3 =6 x 4 =56 ÷ 8 =8.54 ÷ 6 =42 ÷ 6 =56 ÷ 7 =21 ÷ 3 =9.12 ÷ 4 =5 x

59、 8 =3 x 3 =16 ÷ 2 =10.6 x 6 =64 ÷ 8 =7 x 4 =9 x 3 =11.48 ÷ 8 =48 ÷ 6 =6 x 8 =8 x 2 =12.4 x 5 =81 ÷ 9 =2 x 5 =4 x 4 =13.9 x 6 =8 ÷ 4 =45 ÷ 9 =4 x 8 =14.48 ÷ 6 =9 x 9 =2 x 8 =45 ÷ 9 =15.3 x 2 =4 x 3 =20 ÷ 4 =72 ÷ 8 =16.5 x 6 =36 ÷ 6 =25 ÷

60、; 5 =35 ÷ 7 =17.2 x 4 =5 x 4 =4 x 9 =24 ÷ 6 =18.3 x 7 =28 ÷ 4 =24 ÷ 4 =4 x 3 =19.2 x 9 =3 x 4 =36 ÷ 6 =54 ÷ 6 =20.7 x 2 =3 x 2 =2 x 4 =8 x 7 =21.6 x 8 =5 x 8 =9 x 8 =4 x 3 =22.27 ÷ 9 =5 x 9 =42 ÷ 7 =7 x 9 =23.32 ÷ 4 =9 ÷ 3 =4 x 8 =20 ÷ 4 =24.28 ÷ 4

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